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.300 Blackout was designed from day one to burn its full powder charge in a short barrel, and 10.5 inches lands right in the cartridge's sweet spot. That is the whole point of the Wise Arms WA-15B. You get velocity that stays surprisingly close to a 16 inch rifle out of a pistol that tucks behind a truck seat or into a pack without a fight. The 1:8 twist stabilizes everything from light supersonic loads to heavy 220 grain subsonics, which is exactly the flexibility people buy into this cartridge for.
Wise Arms machines the WA-15B on a billet aluminum receiver set instead of the forged parts you see on most budget builds, so the fit is tight and the lines are cleaner. The black Cerakote finish shrugs off scratches and weather better than standard anodizing, and small touches like the oversized trigger guard make it friendlier with gloves on. Up front, the 7 inch free float M-LOK handguard gives you real estate for a light, hand stop, or sling mount, while the flat top upper is ready for whatever red dot or LPVO you want to run. There are no sights included, so budget for an optic when you plan your setup.
The 10.5 inch barrel comes threaded 1/2×28, and this is the kind of gun that begs for a can. Heavy subsonics through a suppressor make for one of the quietest, softest shooting AR setups you can put together, and it runs supersonic ammo just as happily when you want more reach. The SB Tactical SBA3 brace adjusts through five positions, so you can dial the length to fit your build.
The WA-15B ships with a 30 round magazine and takes standard AR mags, so feeding it is never a problem. For a truck gun, a suppressor host, or a compact range companion, this one earns its spot in the safe.
Yes. The 1:8 twist barrel stabilizes heavy subsonic loads in the 190 to 220 grain range as well as lighter supersonic ammo. As with most short barreled ARs, some unsuppressed setups cycle subsonics more reliably with a suppressor attached since the added back pressure helps the action run. Supersonic loads cycle without any fuss.
It is. The 10.5 inch barrel comes threaded in the standard 1/2×28 pattern, so most .30 caliber cans and muzzle devices thread right on. A 10.5 inch .300 Blackout with a suppressor and subsonic ammo is one of the quietest AR combinations out there, which is a big reason people pick this configuration.
No, it ships without sights. The flat top upper receiver gives you a clean rail for a red dot, LPVO, or a set of backup irons, so you can build it out however you like. Plan on adding an optic before your first range trip.
It ships with one 30 round magazine and accepts standard AR-15 pattern mags. Since .300 Blackout was designed around the same case head and magazine dimensions as 5.56, your existing AR mags will work. Just be careful to keep your .300 Blackout and 5.56 ammo clearly separated if you own both calibers.
| UPC | 300262189278 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 10.5-300-SBA3-BLK |
| Number of Magazines | 1 30 rd. |
| Length | 36 |
| Capacity | 30 + 1 |
| Caliber/Gauge | .300 AAC Blackout |
| ATF Type | Pistol |
| Barrel Length | 10.5" |
| Action | |
| Product Type | Semi-Auto Pistol |
| Package Height | 5.0 |
| Sights | No Sights |
| Shipping Weight | 9.55 |
| Package Width | 12.25 |
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